Before to run the execution plan,make sure of the following:
1. Design -> Subject areas tab –> Selec the subject area and click in the Assemble button
2.Execute–> Execution plans –> Select the execution plan and click in build button
The Execution plan will start,
Checking the status of the running tasks
Execute –> Current Runs
There is an Auto refresh button in the tool bar that allows to refresh automatically the panels. Click in it and select the desired interval.
In the bottom panel click in the task tab and select Incomplete in the Combo Box in the toolbar, this will allow to see to remaining task to execute